268750783 has 4 divisors (see below), whose sum is σ = 307143760. Its totient is φ = 230357808.

The previous prime is 268750771. The next prime is 268750831. The reversal of 268750783 is 387057862.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 387057862 = 2 ⋅193528931.

It is a cyclic number.

It is not a de Polignac number, because 268750783 - 2⁹ = 268750271 is a prime.

It is a super-2 number, since 2×268750783² = 144453966726226178, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (268750733) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19196478 + ... + 19196491.

It is an arithmetic number, because the mean of its divisors is an integer number (76785940).

Almost surely, 2^268750783 is an apocalyptic number.

268750783 is a deficient number, since it is larger than the sum of its proper divisors (38392977).

268750783 is an equidigital number, since it uses as much as digits as its factorization.

268750783 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38392976.

The product of its (nonzero) digits is 564480, while the sum is 46.

The square root of 268750783 is about 16393.6201920137. The cubic root of 268750783 is about 645.3320670583.

The spelling of 268750783 in words is "two hundred sixty-eight million, seven hundred fifty thousand, seven hundred eighty-three".